components/storage_monitor/test_portable_device_watcher_win.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // TestPortableDeviceWatcherWin implementation.
   6
   7 #include "components/storage_monitor/test_portable_device_watcher_win.h"
   8
   9 #include <vector>
  10
  11 #include "base/strings/utf_string_conversions.h"
  12
  13 namespace storage_monitor {
  14
  15 namespace {
  16
  17 // Sample MTP device storage information.
  18 const base::char16 kMTPDeviceFriendlyName[] = L"Camera V1.1";
  19 const base::char16 kStorageLabelA[] = L"Camera V1.1 (s10001)";
  20 const base::char16 kStorageLabelB[] = L"Camera V1.1 (s20001)";
  21 const base::char16 kStorageObjectIdA[] = L"s10001";
  22 const base::char16 kStorageObjectIdB[] = L"s20001";
  23 const char kStorageUniqueIdB[] =
  24     "mtp:StorageSerial:SID-{s20001, S, 2238}:123123";
  25
  26 // Returns the storage name of the device specified by |pnp_device_id|.
  27 // |storage_object_id| specifies the string ID that uniquely identifies the
  28 // object on the device.
  29 base::string16 GetMTPStorageName(const base::string16& pnp_device_id,
  30                                  const base::string16& storage_object_id) {
  31   if (pnp_device_id == TestPortableDeviceWatcherWin::kMTPDeviceWithInvalidInfo)
  32     return base::string16();
  33
  34   if (storage_object_id == kStorageObjectIdA)
  35     return kStorageLabelA;
  36   return (storage_object_id == kStorageObjectIdB) ?
  37       kStorageLabelB : base::string16();
  38 }
  39
  40 }  // namespace
  41
  42 // TestPortableDeviceWatcherWin ------------------------------------------------
  43
  44 // static
  45 const base::char16
  46 TestPortableDeviceWatcherWin::kMTPDeviceWithMultipleStorages[] =
  47     L"\\?\\usb#vid_ff&pid_18#32&2&1#{ab33-1de4-f22e-1882-9724})";
  48 const base::char16 TestPortableDeviceWatcherWin::kMTPDeviceWithInvalidInfo[] =
  49     L"\\?\\usb#vid_00&pid_00#0&2&1#{0000-0000-0000-0000-0000})";
  50 const base::char16 TestPortableDeviceWatcherWin::kMTPDeviceWithValidInfo[] =
  51     L"\\?\\usb#vid_ff&pid_000f#32&2&1#{abcd-1234-ffde-1112-9172})";
  52 const char TestPortableDeviceWatcherWin::kStorageUniqueIdA[] =
  53     "mtp:StorageSerial:SID-{s10001, D, 12378}:123123";
  54
  55 TestPortableDeviceWatcherWin::TestPortableDeviceWatcherWin()
  56     : use_dummy_mtp_storage_info_(false) {
  57 }
  58
  59 TestPortableDeviceWatcherWin::~TestPortableDeviceWatcherWin() {
  60 }
  61
  62 // static
  63 std::string TestPortableDeviceWatcherWin::GetMTPStorageUniqueId(
  64     const base::string16& pnp_device_id,
  65     const base::string16& storage_object_id) {
  66   if (storage_object_id == kStorageObjectIdA)
  67     return TestPortableDeviceWatcherWin::kStorageUniqueIdA;
  68   return (storage_object_id == kStorageObjectIdB) ?
  69       kStorageUniqueIdB : std::string();
  70 }
  71
  72 // static
  73 PortableDeviceWatcherWin::StorageObjectIDs
  74 TestPortableDeviceWatcherWin::GetMTPStorageObjectIds(
  75     const base::string16& pnp_device_id) {
  76   PortableDeviceWatcherWin::StorageObjectIDs storage_object_ids;
  77   storage_object_ids.push_back(kStorageObjectIdA);
  78   if (pnp_device_id == kMTPDeviceWithMultipleStorages)
  79     storage_object_ids.push_back(kStorageObjectIdB);
  80   return storage_object_ids;
  81 }
  82
  83 // static
  84 void TestPortableDeviceWatcherWin::GetMTPStorageDetails(
  85     const base::string16& pnp_device_id,
  86     const base::string16& storage_object_id,
  87     base::string16* device_location,
  88     std::string* unique_id,
  89     base::string16* name) {
  90   std::string storage_unique_id = GetMTPStorageUniqueId(pnp_device_id,
  91                                                         storage_object_id);
  92   if (device_location)
  93     *device_location = base::UTF8ToUTF16("\\\\" + storage_unique_id);
  94
  95   if (unique_id)
  96     *unique_id = storage_unique_id;
  97
  98   if (name)
  99     *name = GetMTPStorageName(pnp_device_id, storage_object_id);
 100 }
 101
 102 // static
 103 PortableDeviceWatcherWin::StorageObjects
 104 TestPortableDeviceWatcherWin::GetDeviceStorageObjects(
 105     const base::string16& pnp_device_id) {
 106   PortableDeviceWatcherWin::StorageObjects storage_objects;
 107   PortableDeviceWatcherWin::StorageObjectIDs storage_object_ids =
 108       GetMTPStorageObjectIds(pnp_device_id);
 109   for (PortableDeviceWatcherWin::StorageObjectIDs::const_iterator it =
 110            storage_object_ids.begin();
 111        it != storage_object_ids.end(); ++it) {
 112     storage_objects.push_back(DeviceStorageObject(
 113         *it, GetMTPStorageUniqueId(pnp_device_id, *it)));
 114   }
 115   return storage_objects;
 116 }
 117
 118 void TestPortableDeviceWatcherWin::EnumerateAttachedDevices() {
 119 }
 120
 121 void TestPortableDeviceWatcherWin::HandleDeviceAttachEvent(
 122     const base::string16& pnp_device_id) {
 123   DeviceDetails device_details;
 124   if (pnp_device_id != kMTPDeviceWithInvalidInfo)
 125     device_details.name = kMTPDeviceFriendlyName;
 126   device_details.location = pnp_device_id;
 127   device_details.storage_objects = GetDeviceStorageObjects(pnp_device_id);
 128   OnDidHandleDeviceAttachEvent(&device_details, true);
 129 }
 130
 131 bool TestPortableDeviceWatcherWin::GetMTPStorageInfoFromDeviceId(
 132     const std::string& storage_device_id,
 133     base::string16* device_location,
 134     base::string16* storage_object_id) const {
 135   DCHECK(!storage_device_id.empty());
 136   if (use_dummy_mtp_storage_info_) {
 137     if (storage_device_id == TestPortableDeviceWatcherWin::kStorageUniqueIdA) {
 138       *device_location = kMTPDeviceWithValidInfo;
 139       *storage_object_id = kStorageObjectIdA;
 140       return true;
 141     }
 142     return false;
 143   }
 144   return PortableDeviceWatcherWin::GetMTPStorageInfoFromDeviceId(
 145       storage_device_id, device_location, storage_object_id);
 146 }
 147
 148 }  // namespace storage_monitor